diff --git a/ObservationSim/Instrument/Chip/Chip.py b/ObservationSim/Instrument/Chip/Chip.py
index c4cd6e8b37e3bcff7c1bcae1ec06052617ecff9b..32b95579c1657bf3783685a01c93dd524f845353 100755
--- a/ObservationSim/Instrument/Chip/Chip.py
+++ b/ObservationSim/Instrument/Chip/Chip.py
@@ -57,7 +57,7 @@ class Chip(FocalPlane):
         for key in chip_dict:
             setattr(self, key, chip_dict[key])
         if self.filter_type == "FGS":
-            if config["ins_effects"]["field_dist"] == False:
+            if ("field_dist" in config) and (config["ins_effects"]["field_dist"]) == False:
                 self.fdModel = None
             else:
                 fgs_name = self.chip_name[0:4]
@@ -71,7 +71,7 @@ class Chip(FocalPlane):
                             self.fdModel = pickle.load(f)
         else:
             # Get the corresponding field distortion model
-            if config["ins_effects"]["field_dist"] == False:
+            if ("field_dist" in config) and (config["ins_effects"]["field_dist"] == False):
                 self.fdModel = None
             else:
                 try:
diff --git a/ObservationSim/Instrument/data/field_distortion/__pycache__/__init__.cpython-39.pyc b/ObservationSim/Instrument/data/field_distortion/__pycache__/__init__.cpython-39.pyc
index e0e22c6b1c4586f2510a022f62fb4b0af6b21e9d..347511c2b740a42e0dff664b5c77a40f93200323 100644
Binary files a/ObservationSim/Instrument/data/field_distortion/__pycache__/__init__.cpython-39.pyc and b/ObservationSim/Instrument/data/field_distortion/__pycache__/__init__.cpython-39.pyc differ
diff --git a/README.md b/README.md
index 0e62c48bd182edc80eac96d3ba5d7fa5b3782a0f..ccfa3ca5646d571f2148fb8d0ac378da3e2215ed 100644
--- a/README.md
+++ b/README.md
@@ -27,9 +27,11 @@
 
 ## 相关数据
 
-* PSF采样数据下载：[百度云盘](https://pan.baidu.com/s/1_2gbO6-d7x001_FMqZ1tfw)，密码：2awt
+* PSF采样数据下载：[百度云盘](https://pan.baidu.com/s/1_2gbO6-d7x001_FMqZ1tfw)，提取码：2awt
 
-* 滤光片及无缝光谱相关数据：[百度云盘](https://pan.baidu.com/s/1JROggg8IKf27i1DnwTaPAw)，密码：07v5
+* 测试用数据，C6星系SED PCA主成分，及恒星SED模板库下载：[百度云盘](https://pan.baidu.com/s/15B5H-r39vbIBIXdpin63Wg)，提取码：nxsy
+
+* 滤光片及无缝光谱相关数据：[百度云盘](https://pan.baidu.com/s/1JROggg8IKf27i1DnwTaPAw)，提取码：07v5
 
 ## 相关会议及workshop